Milton and Music is the first study to juxtapose John Milton-s poetry on music with later musical adaptations of his work. In Part I: Milton on Music, Seth Herbst shows that writing about music galvanized Milton-s intellectual development towards animist materialism, the belief that everything in the universe-even the human soul-is made of matter. The Milton who emerges is a forward-thinking visionary who leaped past his contemporaries in conceiving music as a material phenomenon that exists simultaneously as sound and metaphor. Part II: Milton in Music follows two daring composers in investigating whether Milton-s visionary concept of music can be realized in actual musical sound. In Samson, an oratorio adaptation of Milton-s Samson Agonistes, Handel resists Miltonic music theory, suggesting that music struggles to function as both sound and metaphor. By contrast, the twentieth-century Polish composer Krzysztof Penderecki composes an iconoclastic opera of